TC83220-0027

2003-03-12

1

TOSHIBA CMOS Digital Integrated Circuit

Silicon Monolithic

TC83220-0027

TC83220-0027 Single-Chip CMOS LSI for FL (fluorescent) Calculator

The Toshiba printing/display calculator circuit TC83220-0027 is

10- or 12-digit calculator on single-chip CMOS LSI.

TC83220-0027 can drive the printing machine

(M41TAV/M42TV/M42V; EPSON) with magnet driver circuit, and

can drive the fluorescent display tube with DC-DC converter. It

contains a 4 K-word ROM, a 256 × 4-bit RAM.

Features

Operational Features

· Print: 11 or 13 digits of data.

(including decimal point. 2 digits of operational

symbol.)

3 digits of commas.

· Display: 10 or 12 digits of data. (including punctuation in each digit.)

1 digit of floating minus sign, memory load, error symbol.

3 digits of commas.

· Decimal output: Decimal set lock key controls output format.

Fixed decimal setting (“0”, “1”, “2”, “3”, “4”, “6”), full floating decimal, and ADD mode.

· Key input buffer: 8 stages

· Function: 4 basic arithmetic functions (+, −, ×, ÷).

Repeat addition and subtraction.

Automatic constants in multiplication, division, percent calculation, calculations.

Automatic percent add-on and percent discount calculation.

Memory calculation.

Automatic accumulating calculation.

Gross margin profit calculation.

Delta percent calculation.

Tax calculation.

Grand total calculation.

Two-key rollover.

· Item counter: 0~999 count up or −999~0~999 count up/down by depressing of + , − key.

· Punctuation: Commas for thousands on display

· Kinds of touch key:

Weight: 4.12 g (typ.)